package actions

import (
	"context"
	"fmt"
	"time"

	"github.com/google/uuid"
	"github.com/sirupsen/logrus"

	"xagent/internal/actor"
	proto "xagent/proto/v1"
)

// DesignArchitectureAction implements architecture design functionality
type DesignArchitectureAction struct {
	*actor.BaseAction
	logger *logrus.Logger
}

func NewDesignArchitectureAction() *DesignArchitectureAction {
	logger := logrus.New()
	logger.SetFormatter(&logrus.JSONFormatter{})

	return &DesignArchitectureAction{
		BaseAction: actor.NewBaseAction("design_architecture"),
		logger:     logger,
	}
}

func (a *DesignArchitectureAction) Prerequisites() []string {
	return []string{"analyze_requirement"}
}

func (a *DesignArchitectureAction) Run(ctx context.Context, input interface{}) (*proto.AgentMessage, error) {
	startTime := time.Now()
	a.logger.WithFields(logrus.Fields{
		"action":     a.Name(),
		"start_time": startTime,
	}).Info("Starting architecture design")

	task, ok := input.(*proto.Task)
	if !ok {
		err := fmt.Errorf("invalid input type: expected *proto.Task, got %T", input)
		a.logger.WithError(err).Error("Input validation failed")
		return nil, err
	}

	// Get requirements from task metadata
	requirementID, ok := task.Metadata["requirement_id"]
	if !ok {
		err := fmt.Errorf("requirement ID not provided")
		a.logger.WithError(err).Error("Missing requirement ID")
		return nil, err
	}

	// Record design activity
	designResult := &ArchitectureDesign{
		ID:            uuid.NewString(),
		RequirementID: requirementID,
		TaskID:        task.Id,
		StartTime:     startTime,
		EndTime:       time.Now(),
		Status:        "COMPLETED",
		Components: []Component{
			{
				ID:           uuid.NewString(),
				Name:         "API Gateway",
				Type:         "Service",
				Technology:   "Go",
				Status:       "PROPOSED",
				Dependencies: []string{},
			},
			{
				ID:           uuid.NewString(),
				Name:         "Auth Service",
				Type:         "Service",
				Technology:   "Go",
				Status:       "PROPOSED",
				Dependencies: []string{"API Gateway"},
			},
		},
		Decisions: []ArchitectureDecision{
			{
				ID:      uuid.NewString(),
				Title:   "Use Microservices Architecture",
				Status:  "ACCEPTED",
				Context: "Need for scalability and maintainability",
				Consequences: []string{
					"Better scalability",
					"Independent deployments",
					"Increased operational complexity",
				},
				CreatedAt: time.Now(),
			},
		},
		Metrics: map[string]interface{}{
			"duration":          time.Since(startTime).String(),
			"components_count":  2,
			"decisions_count":   1,
			"complexity_score":  3.5,
			"maintainability":   0.85,
			"scalability_score": 0.9,
			"dependency_depth":  2,
		},
	}

	// Add detailed logging
	a.logger.WithFields(logrus.Fields{
		"design_id":        designResult.ID,
		"components_count": designResult.Metrics["components_count"],
		"complexity_score": designResult.Metrics["complexity_score"],
		"duration":         designResult.Metrics["duration"],
	}).Info("Architecture design completed")

	return &proto.AgentMessage{
		Id:   uuid.NewString(),
		Type: proto.MessageType_MESSAGE_TYPE_RESPONSE,
		Content: &proto.AgentMessage_Message{
			Message: fmt.Sprintf("Architecture design completed: %s", designResult.ID),
		},
		Metadata: map[string]string{
			"design_id":        designResult.ID,
			"requirement_id":   designResult.RequirementID,
			"status":           designResult.Status,
			"duration":         designResult.Metrics["duration"].(string),
			"components_count": fmt.Sprintf("%d", designResult.Metrics["components_count"]),
			"decisions_count":  fmt.Sprintf("%d", designResult.Metrics["decisions_count"]),
			"complexity":       fmt.Sprintf("%.2f", designResult.Metrics["complexity_score"]),
			"task_id":          task.Id,
		},
	}, nil
}

// ReviewArchitectureAction implements architecture review functionality
type ReviewArchitectureAction struct {
	*actor.BaseAction
	logger *logrus.Logger
}

func NewReviewArchitectureAction() *ReviewArchitectureAction {
	logger := logrus.New()
	logger.SetFormatter(&logrus.JSONFormatter{})

	return &ReviewArchitectureAction{
		BaseAction: actor.NewBaseAction("review_architecture"),
		logger:     logger,
	}
}

func (a *ReviewArchitectureAction) Prerequisites() []string {
	return []string{"design_architecture"}
}

func (a *ReviewArchitectureAction) Run(ctx context.Context, input interface{}) (*proto.AgentMessage, error) {
	startTime := time.Now()
	a.logger.WithFields(logrus.Fields{
		"action":     a.Name(),
		"start_time": startTime,
	}).Info("Starting architecture review")

	task, ok := input.(*proto.Task)
	if !ok {
		err := fmt.Errorf("invalid input type: expected *proto.Task, got %T", input)
		a.logger.WithError(err).Error("Input validation failed")
		return nil, err
	}

	// Get design to review from task metadata
	designID, ok := task.Metadata["design_id"]
	if !ok {
		err := fmt.Errorf("design ID not provided")
		a.logger.WithError(err).Error("Missing design ID")
		return nil, err
	}

	// Record review activity
	reviewResult := &ArchitectureReview{
		ID:        uuid.NewString(),
		DesignID:  designID,
		TaskID:    task.Id,
		StartTime: startTime,
		EndTime:   time.Now(),
		Status:    "APPROVED",
		Comments: []ArchitectureComment{
			{
				ID:        uuid.NewString(),
				Component: "API Gateway",
				Content:   "Good choice for entry point",
				Type:      "POSITIVE",
				Severity:  "INFO",
				CreatedAt: time.Now(),
			},
		},
		Metrics: map[string]interface{}{
			"duration":       time.Since(startTime).String(),
			"comments_count": 1,
			"issues_count":   0,
			"score":          0.95,
		},
	}

	a.logger.WithFields(logrus.Fields{
		"review_id":      reviewResult.ID,
		"design_id":      reviewResult.DesignID,
		"status":         reviewResult.Status,
		"comments_count": reviewResult.Metrics["comments_count"],
		"score":          reviewResult.Metrics["score"],
	}).Info("Architecture review completed")

	return &proto.AgentMessage{
		Id:   uuid.NewString(),
		Type: proto.MessageType_MESSAGE_TYPE_RESPONSE,
		Content: &proto.AgentMessage_Message{
			Message: fmt.Sprintf("Architecture review completed: %s, Status: %s", reviewResult.ID, reviewResult.Status),
		},
		Metadata: map[string]string{
			"review_id":      reviewResult.ID,
			"design_id":      reviewResult.DesignID,
			"status":         reviewResult.Status,
			"duration":       reviewResult.Metrics["duration"].(string),
			"comments_count": fmt.Sprintf("%d", reviewResult.Metrics["comments_count"]),
			"score":          fmt.Sprintf("%.2f", reviewResult.Metrics["score"]),
			"task_id":        task.Id,
		},
	}, nil
}

// ValidateDesignAction implements architecture validation functionality
type ValidateDesignAction struct {
	*actor.BaseAction
	logger *logrus.Logger
}

func NewValidateDesignAction() *ValidateDesignAction {
	logger := logrus.New()
	logger.SetFormatter(&logrus.JSONFormatter{})

	return &ValidateDesignAction{
		BaseAction: actor.NewBaseAction("validate_design"),
		logger:     logger,
	}
}

func (a *ValidateDesignAction) Prerequisites() []string {
	return []string{"review_architecture"}
}

func (a *ValidateDesignAction) Run(ctx context.Context, input interface{}) (*proto.AgentMessage, error) {
	startTime := time.Now()
	a.logger.WithFields(logrus.Fields{
		"action":     a.Name(),
		"start_time": startTime,
	}).Info("Starting design validation")

	task, ok := input.(*proto.Task)
	if !ok {
		err := fmt.Errorf("invalid input type: expected *proto.Task, got %T", input)
		a.logger.WithError(err).Error("Input validation failed")
		return nil, err
	}

	// Get design to validate from task metadata
	designID, ok := task.Metadata["design_id"]
	if !ok {
		err := fmt.Errorf("design ID not provided")
		a.logger.WithError(err).Error("Missing design ID")
		return nil, err
	}

	// Record validation activity
	validationResult := &ArchitectureValidation{
		ID:        uuid.NewString(),
		DesignID:  designID,
		TaskID:    task.Id,
		StartTime: startTime,
		EndTime:   time.Now(),
		Status:    "PASSED",
		Checks: []ValidationCheck{
			{
				ID:          uuid.NewString(),
				Name:        "Security Check",
				Status:      "PASSED",
				Description: "Authentication and authorization properly implemented",
				CreatedAt:   time.Now(),
			},
			{
				ID:          uuid.NewString(),
				Name:        "Scalability Check",
				Status:      "PASSED",
				Description: "Architecture supports horizontal scaling",
				CreatedAt:   time.Now(),
			},
		},
		Metrics: map[string]interface{}{
			"duration":      time.Since(startTime).String(),
			"checks_count":  2,
			"passed_checks": 2,
			"failed_checks": 0,
			"score":         1.0,
		},
	}

	a.logger.WithFields(logrus.Fields{
		"validation_id": validationResult.ID,
		"design_id":     validationResult.DesignID,
		"status":        validationResult.Status,
		"checks_count":  validationResult.Metrics["checks_count"],
		"passed_checks": validationResult.Metrics["passed_checks"],
		"score":         validationResult.Metrics["score"],
	}).Info("Design validation completed")

	return &proto.AgentMessage{
		Id:   uuid.NewString(),
		Type: proto.MessageType_MESSAGE_TYPE_RESPONSE,
		Content: &proto.AgentMessage_Message{
			Message: fmt.Sprintf("Design validation completed: %s, Status: %s", validationResult.ID, validationResult.Status),
		},
		Metadata: map[string]string{
			"validation_id": validationResult.ID,
			"design_id":     validationResult.DesignID,
			"status":        validationResult.Status,
			"duration":      validationResult.Metrics["duration"].(string),
			"checks_count":  fmt.Sprintf("%d", validationResult.Metrics["checks_count"]),
			"passed_checks": fmt.Sprintf("%d", validationResult.Metrics["passed_checks"]),
			"score":         fmt.Sprintf("%.2f", validationResult.Metrics["score"]),
			"task_id":       task.Id,
		},
	}, nil
}

// Data structures
type ArchitectureDesign struct {
	ID            string
	RequirementID string
	TaskID        string
	StartTime     time.Time
	EndTime       time.Time
	Status        string
	Components    []Component
	Decisions     []ArchitectureDecision
	Metrics       map[string]interface{}
}

type Component struct {
	ID           string
	Name         string
	Type         string
	Technology   string
	Status       string
	Dependencies []string
}

type ArchitectureDecision struct {
	ID           string
	Title        string
	Status       string
	Context      string
	Consequences []string
	CreatedAt    time.Time
}

type ArchitectureReview struct {
	ID        string
	DesignID  string
	TaskID    string
	StartTime time.Time
	EndTime   time.Time
	Status    string
	Comments  []ArchitectureComment
	Metrics   map[string]interface{}
}

type ArchitectureComment struct {
	ID        string
	Component string
	Content   string
	Type      string
	Severity  string
	CreatedAt time.Time
}

type ArchitectureValidation struct {
	ID        string
	DesignID  string
	TaskID    string
	StartTime time.Time
	EndTime   time.Time
	Status    string
	Checks    []ValidationCheck
	Metrics   map[string]interface{}
}

type ValidationCheck struct {
	ID          string
	Name        string
	Status      string
	Description string
	CreatedAt   time.Time
}
